Initial xentral_oss_20.3.c9ffacf

classes/Modules/SubscriptionCycle/Scheduler/TaskMutexService.php

@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Xentral\Modules\SubscriptionCycle\Scheduler;
+
+
+use Xentral\Components\Database\Database;
+
+class TaskMutexService implements TaskMutexServiceInterface
+{
+    /** @var Database $db */
+    private $db;
+
+    /**
+     * TaskMutexService constructor.
+     *
+     * @param Database $db
+     */
+    public function __construct(Database $db)
+    {
+        $this->db = $db;
+    }
+
+    /**
+     * @param string $parameter
+     * @param bool   $active
+     */
+    public function setMutex(string $parameter, bool $active = true): void
+    {
+        $this->db->perform(
+            'UPDATE `prozessstarter` SET `mutex` = :mutex, `mutexcounter` = 0, `letzteausfuerhung` = NOW()
+            WHERE `parameter` = :parameter AND `aktiv` = 1',
+            ['mutex' => (int)$active, 'parameter' => $parameter]
+        );
+    }
+
+    /**
+     * @param string $parameter
+     *
+     * @return bool
+     */
+    public function isTaskInstanceRunning(string $parameter): bool
+    {
+        return (int)$this->db->fetchValue(
+                'SELECT COUNT(`id`) FROM `prozessstarter` WHERE `parameter` = :parameter AND `aktiv` = 1 AND `mutex` = 1',
+                ['parameter' => $parameter]
+            ) > 0;
+    }
+}